Pure-bred dogs competing in shows must often meet specific height criteria to be considered to be within the breed standard. A new breed of dog, the pug-cock-a-poo, has been approved by a kennel club. The standard deviation of pug-cock-a-poo height is known to be 1.97 inches squared. You would like to estimate the mean height of all pug-cock-a-poo breeds of dogs. Find the appropriate sample size to achieve a margin of error of 0.08 when maintaining a 90% level of confidence.
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Pure-bred dogs competing in shows must often meet specific height criteria to be considered to be...